Age Limits for Enlisting
You must be at least 17 to enlist in any branch of the active military. The oldest you can be to enlist for active duty in each branch is:

Coast Guard: 31
Marines: 28
Navy: 39
Army: 34
Air Force: 39
Space Force: 39

https://www.usa.gov/join-military
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BLM IS A TERRORIST ORGANIZATION
ANTIFA IS A TERRORIST ORGANIZATION